Which expression has a sum of 1 2/21 A. 3/7 + 2/3
B. 4/7 + 1/3
C. 5/7 + 2/3
D. 6/7 + 1/3

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?